I think it also has easier methods to tune the waves and also has an on/off button. the on/off button alone is a great upgrade as you have to actually unplug the power to the current pumps to turn them off. The LEDs to show a visual feedback on the settings is good too as right now you have to squint at the tiny dial or do it by feel. All in all, I think it's a good upgrade but really some of those feature should have been in the Gen2.
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